Maymom inserts to use with Medela 24 mm shields. It will reduce the 24-mm shield nipple tunnel down. Great solution mothers using Medela freestyle, Medela Sonata, Medela Swing-Maxi pump; Also fit momcozy S9/S11/S12 cups.
Maintain compatibility with most handsfree bra - Based on the Medela PersonalFit system. You can use most handsfree bra with your original 24 mm detachable shields having this insert inside.
Can be compatible with Spectra 24mm flanges, Motif Luna 24mm flanges, Ameda Mya 24mm flanges, Ameda Mya Pro 24mm flanges, Ameda Purely Yours 25mm flanges, Ameda Mya Joy 25mm flanges, Willow 24mm flanges, Lansino 24mm flanges. Momcozy S9/S10/S12 Wearable Breastpump 24 mm cups (not for 27 mm cups)